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<?php function &foo() { $x = array(1,2,3); yield $x; echo "Gen: "; var_dump($x); yield 'done'; } foreach (foo() as &$val) { var_dump($val); $val[] = 42; }
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } Gen: array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(42) } Notice: Only variable references should be yielded by reference in /in/ssgpF on line 7 string(4) "done" Fatal error: Uncaught Error: [] operator not supported for strings in /in/ssgpF:12 Stack trace: #0 {main} thrown in /in/ssgpF on line 12
Process exited with code 255.

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